Plan to Fight Deadly TB Strain Advances in India

NEW DELHI—An international health initiative has brokered a landmark accord that aims to halve the price patients pay for advanced tests for a strain of tuberculosis that is resistant to standard drugs.

The deal is between the makers of diagnostic equipment that can detect multi-drug-resistant TB and private Indian clinics that test patients. Together, they could fill a big hole in international efforts to combat more-virulent forms...